II VS1MD User Manual
Chapter 8 Customizing for Your Application
8.1 Frequency Mode ..............................................................................................8-1
8.2 UP-Down..........................................................................................................8
8.3 3-Wire ..............................................................................................................8
8.4 PID Control.....................................................................................................8
8.5 Auto-tuning.....................................................................................................8-
8.6 Sensorless Vector Control .............................................................................8
8.7 Speed Search ...............................................................................................8
8.8 Self-Diagnostic Function ................................................................................8-17
8.9 Parameter Read/Write ...................................................................................8
8.10 Parameter Initialization / Lock........................................................................8-19
8.11 Multi-function Output Terminal (MO) and Relay (3AC) ..................................8
8.12 Accel/Decel setting and V/F Control ..............................................................8-27
8.13 Control Block Diagram ...................................................................................8-28
8.14 Frequency and Drive Mode Setting................................................................8-29
Chapter 9 Troubleshooting
9.1 Verifying that DC Bus Capacitors are Discharged Before
Servicing the Drive..........................................................................................9-1
9.2 Determining Drive Status Using the STP/FLT LED..........................................9-2
9.3 Monitoring Drive Status Using the Display Parameters ...................................9-2
9.4 Reviewing Fault Status of the Drive.................................................................9-3
9.5 Fault Codes......................................................................................................9-3
9.6 Fault Correction................................................................................................9-6
9.7 Overload Protection .........................................................................................9-8
Appendix A Technical Specifications........................................................................................ A-1
Appendix B Options & Kits
B.1 Remote Option................................................................................................ B-1
B.2 Conduit Kit....................................................................................................... B-4
B.3 Breaking Resistor............................................................................................ B-8
Appendix C RS485 Protocol
C.1 Introduction .....................................................................................................C-1
C.2 Specifications..................................................................................................C-2
C.3 Installation.......................................................................................................C-3
C.4 Operation ........................................................................................................C-3
C.5 Communication Protocol (MODMUS-RTU).....................................................C-4
C.6 Communication Protocol (LS BUS).................................................................C-4
C.7 Troubleshooting ..............................................................................................C-7
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